.layui-form-item{
  margin-top: 30px;
  height: 30px;
}
.layui-form{
  height: 300px;
  border-bottom: 1px solid #ccc;
}
.btn{
  margin-left: 108px;
  margin-top: 30px;
}
.btn button{
  background-color: #fff;
  border: 1px solid #ccc;
  color:black;
}
.btn button:hover{
  border:1px solid green;
  color:black;
}